Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb5 loss in 2 half-moves
3 Kb6 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd8 loss in 2 half-moves